Apparatus and method for providing a current exponentially proportional to voltage and directly proportional to temperature
US4769588A · kind A · utility
21Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 1987 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Sep 4, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S323/907
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An apparatus and method for providing a current exponentially proportional to voltage and directly proportional to temperature is disclosed. An output current is provided that is exponentially proportional to amplifier output voltage and directly proportional to temperature for automatic gain control. The output current is applied to an amplifier for varying gain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.